| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |